1. When 3.0 L of oxygen gas (O₂) reacts with 1.5 L of nitrogen gas (N₂), 3.0 L of gaseous product is formed. All volumes of gases are measured at the same temperature and pressure. What is the formula of the product?
(A) NO₄
(B) NO₂
(C) N₂O₃
(D) N₂O
(E) NO

1. 題目解析在這道題目中，給定了氧氣...